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771 lines
42 KiB
Go
771 lines
42 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package validation
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import (
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"fmt"
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"strconv"
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apiequality "k8s.io/apimachinery/pkg/api/equality"
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apimachineryvalidation "k8s.io/apimachinery/pkg/api/validation"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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unversionedvalidation "k8s.io/apimachinery/pkg/apis/meta/v1/validation"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/apimachinery/pkg/util/intstr"
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"k8s.io/apimachinery/pkg/util/validation"
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"k8s.io/apimachinery/pkg/util/validation/field"
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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"k8s.io/kubernetes/pkg/apis/apps"
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api "k8s.io/kubernetes/pkg/apis/core"
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apivalidation "k8s.io/kubernetes/pkg/apis/core/validation"
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"k8s.io/kubernetes/pkg/features"
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)
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// ValidateStatefulSetName can be used to check whether the given StatefulSet name is valid.
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// Prefix indicates this name will be used as part of generation, in which case
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// trailing dashes are allowed.
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func ValidateStatefulSetName(name string, prefix bool) []string {
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// TODO: Validate that there's name for the suffix inserted by the pods.
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// Currently this is just "-index". In the future we may allow a user
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// specified list of suffixes and we need to validate the longest one.
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return apimachineryvalidation.NameIsDNSSubdomain(name, prefix)
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}
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// ValidatePodTemplateSpecForStatefulSet validates the given template and ensures that it is in accordance with the desired selector.
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func ValidatePodTemplateSpecForStatefulSet(template *api.PodTemplateSpec, selector labels.Selector, fldPath *field.Path, opts apivalidation.PodValidationOptions) field.ErrorList {
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allErrs := field.ErrorList{}
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if template == nil {
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allErrs = append(allErrs, field.Required(fldPath, ""))
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} else {
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if !selector.Empty() {
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// Verify that the StatefulSet selector matches the labels in template.
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labels := labels.Set(template.Labels)
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if !selector.Matches(labels) {
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allErrs = append(allErrs, field.Invalid(fldPath.Child("metadata", "labels"), template.Labels, "`selector` does not match template `labels`"))
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}
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}
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// TODO: Add validation for PodSpec, currently this will check volumes, which we know will
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// fail. We should really check that the union of the given volumes and volumeClaims match
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// volume mounts in the containers.
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// allErrs = append(allErrs, apivalidation.ValidatePodTemplateSpec(template, fldPath)...)
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allErrs = append(allErrs, unversionedvalidation.ValidateLabels(template.Labels, fldPath.Child("labels"))...)
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allErrs = append(allErrs, apivalidation.ValidateAnnotations(template.Annotations, fldPath.Child("annotations"))...)
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allErrs = append(allErrs, apivalidation.ValidatePodSpecificAnnotations(template.Annotations, &template.Spec, fldPath.Child("annotations"), opts)...)
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}
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return allErrs
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}
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func ValidatePersistentVolumeClaimRetentionPolicyType(policy apps.PersistentVolumeClaimRetentionPolicyType, fldPath *field.Path) field.ErrorList {
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var allErrs field.ErrorList
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switch policy {
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case apps.RetainPersistentVolumeClaimRetentionPolicyType:
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case apps.DeletePersistentVolumeClaimRetentionPolicyType:
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default:
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allErrs = append(allErrs, field.NotSupported(fldPath, policy, []string{string(apps.RetainPersistentVolumeClaimRetentionPolicyType), string(apps.DeletePersistentVolumeClaimRetentionPolicyType)}))
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}
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return allErrs
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}
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func ValidatePersistentVolumeClaimRetentionPolicy(policy *apps.StatefulSetPersistentVolumeClaimRetentionPolicy, fldPath *field.Path) field.ErrorList {
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var allErrs field.ErrorList
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if policy != nil {
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allErrs = append(allErrs, ValidatePersistentVolumeClaimRetentionPolicyType(policy.WhenDeleted, fldPath.Child("whenDeleted"))...)
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allErrs = append(allErrs, ValidatePersistentVolumeClaimRetentionPolicyType(policy.WhenScaled, fldPath.Child("whenScaled"))...)
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}
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return allErrs
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}
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// ValidateStatefulSetSpec tests if required fields in the StatefulSet spec are set.
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func ValidateStatefulSetSpec(spec *apps.StatefulSetSpec, fldPath *field.Path, opts apivalidation.PodValidationOptions) field.ErrorList {
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allErrs := field.ErrorList{}
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switch spec.PodManagementPolicy {
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case "":
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allErrs = append(allErrs, field.Required(fldPath.Child("podManagementPolicy"), ""))
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case apps.OrderedReadyPodManagement, apps.ParallelPodManagement:
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default:
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allErrs = append(allErrs, field.Invalid(fldPath.Child("podManagementPolicy"), spec.PodManagementPolicy, fmt.Sprintf("must be '%s' or '%s'", apps.OrderedReadyPodManagement, apps.ParallelPodManagement)))
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}
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switch spec.UpdateStrategy.Type {
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case "":
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allErrs = append(allErrs, field.Required(fldPath.Child("updateStrategy"), ""))
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case apps.OnDeleteStatefulSetStrategyType:
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if spec.UpdateStrategy.RollingUpdate != nil {
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allErrs = append(
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allErrs,
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field.Invalid(
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fldPath.Child("updateStrategy").Child("rollingUpdate"),
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spec.UpdateStrategy.RollingUpdate,
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fmt.Sprintf("only allowed for updateStrategy '%s'", apps.RollingUpdateStatefulSetStrategyType)))
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}
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case apps.RollingUpdateStatefulSetStrategyType:
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if spec.UpdateStrategy.RollingUpdate != nil {
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allErrs = append(allErrs, validateRollingUpdateStatefulSet(spec.UpdateStrategy.RollingUpdate, fldPath.Child("updateStrategy", "rollingUpdate"))...)
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}
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default:
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allErrs = append(allErrs,
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field.Invalid(fldPath.Child("updateStrategy"), spec.UpdateStrategy,
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fmt.Sprintf("must be '%s' or '%s'",
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apps.RollingUpdateStatefulSetStrategyType,
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apps.OnDeleteStatefulSetStrategyType)))
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}
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allErrs = append(allErrs, ValidatePersistentVolumeClaimRetentionPolicy(spec.PersistentVolumeClaimRetentionPolicy, fldPath.Child("persistentVolumeClaimRetentionPolicy"))...)
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allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.Replicas), fldPath.Child("replicas"))...)
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if utilfeature.DefaultFeatureGate.Enabled(features.StatefulSetMinReadySeconds) {
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allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.MinReadySeconds), fldPath.Child("minReadySeconds"))...)
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}
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if spec.Selector == nil {
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allErrs = append(allErrs, field.Required(fldPath.Child("selector"), ""))
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} else {
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allErrs = append(allErrs, unversionedvalidation.ValidateLabelSelector(spec.Selector, fldPath.Child("selector"))...)
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if len(spec.Selector.MatchLabels)+len(spec.Selector.MatchExpressions) == 0 {
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allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, "empty selector is invalid for statefulset"))
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}
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}
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selector, err := metav1.LabelSelectorAsSelector(spec.Selector)
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if err != nil {
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allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, ""))
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} else {
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allErrs = append(allErrs, ValidatePodTemplateSpecForStatefulSet(&spec.Template, selector, fldPath.Child("template"), opts)...)
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}
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if spec.Template.Spec.RestartPolicy != api.RestartPolicyAlways {
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allErrs = append(allErrs, field.NotSupported(fldPath.Child("template", "spec", "restartPolicy"), spec.Template.Spec.RestartPolicy, []string{string(api.RestartPolicyAlways)}))
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}
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if spec.Template.Spec.ActiveDeadlineSeconds != nil {
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allErrs = append(allErrs, field.Forbidden(fldPath.Child("template", "spec", "activeDeadlineSeconds"), "activeDeadlineSeconds in StatefulSet is not Supported"))
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}
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return allErrs
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}
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// ValidateStatefulSet validates a StatefulSet.
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func ValidateStatefulSet(statefulSet *apps.StatefulSet, opts apivalidation.PodValidationOptions) field.ErrorList {
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allErrs := apivalidation.ValidateObjectMeta(&statefulSet.ObjectMeta, true, ValidateStatefulSetName, field.NewPath("metadata"))
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allErrs = append(allErrs, ValidateStatefulSetSpec(&statefulSet.Spec, field.NewPath("spec"), opts)...)
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return allErrs
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}
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// ValidateStatefulSetUpdate tests if required fields in the StatefulSet are set.
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func ValidateStatefulSetUpdate(statefulSet, oldStatefulSet *apps.StatefulSet) field.ErrorList {
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allErrs := apivalidation.ValidateObjectMetaUpdate(&statefulSet.ObjectMeta, &oldStatefulSet.ObjectMeta, field.NewPath("metadata"))
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// statefulset updates aren't super common and general updates are likely to be touching spec, so we'll do this
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// deep copy right away. This avoids mutating our inputs
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newStatefulSetClone := statefulSet.DeepCopy()
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newStatefulSetClone.Spec.Replicas = oldStatefulSet.Spec.Replicas // +k8s:verify-mutation:reason=clone
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newStatefulSetClone.Spec.Template = oldStatefulSet.Spec.Template // +k8s:verify-mutation:reason=clone
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newStatefulSetClone.Spec.UpdateStrategy = oldStatefulSet.Spec.UpdateStrategy // +k8s:verify-mutation:reason=clone
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if utilfeature.DefaultFeatureGate.Enabled(features.StatefulSetMinReadySeconds) {
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newStatefulSetClone.Spec.MinReadySeconds = oldStatefulSet.Spec.MinReadySeconds // +k8s:verify-mutation:reason=clone
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}
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newStatefulSetClone.Spec.PersistentVolumeClaimRetentionPolicy = oldStatefulSet.Spec.PersistentVolumeClaimRetentionPolicy // +k8s:verify-mutation:reason=clone
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if !apiequality.Semantic.DeepEqual(newStatefulSetClone.Spec, oldStatefulSet.Spec) {
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if utilfeature.DefaultFeatureGate.Enabled(features.StatefulSetMinReadySeconds) {
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allErrs = append(allErrs, field.Forbidden(field.NewPath("spec"), "updates to statefulset spec for fields other than 'replicas', 'template', 'updateStrategy', 'persistentVolumeClaimRetentionPolicy' and 'minReadySeconds' are forbidden"))
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} else {
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allErrs = append(allErrs, field.Forbidden(field.NewPath("spec"), "updates to statefulset spec for fields other than 'replicas', 'template', 'updateStrategy' and 'persistentVolumeClaimRetentionPolicy' are forbidden"))
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}
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}
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allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(statefulSet.Spec.Replicas), field.NewPath("spec", "replicas"))...)
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if utilfeature.DefaultFeatureGate.Enabled(features.StatefulSetMinReadySeconds) {
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allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(statefulSet.Spec.MinReadySeconds), field.NewPath("spec", "minReadySeconds"))...)
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}
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allErrs = append(allErrs, ValidatePersistentVolumeClaimRetentionPolicy(statefulSet.Spec.PersistentVolumeClaimRetentionPolicy, field.NewPath("spec", "persistentVolumeClaimRetentionPolicy"))...)
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return allErrs
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}
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// ValidateStatefulSetStatus validates a StatefulSetStatus.
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func ValidateStatefulSetStatus(status *apps.StatefulSetStatus, fieldPath *field.Path) field.ErrorList {
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allErrs := field.ErrorList{}
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allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.Replicas), fieldPath.Child("replicas"))...)
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allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.ReadyReplicas), fieldPath.Child("readyReplicas"))...)
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allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.CurrentReplicas), fieldPath.Child("currentReplicas"))...)
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allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.UpdatedReplicas), fieldPath.Child("updatedReplicas"))...)
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if utilfeature.DefaultFeatureGate.Enabled(features.StatefulSetMinReadySeconds) {
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allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.AvailableReplicas), fieldPath.Child("availableReplicas"))...)
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}
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if status.ObservedGeneration != nil {
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allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(*status.ObservedGeneration), fieldPath.Child("observedGeneration"))...)
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}
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if status.CollisionCount != nil {
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allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(*status.CollisionCount), fieldPath.Child("collisionCount"))...)
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}
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msg := "cannot be greater than status.replicas"
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if status.ReadyReplicas > status.Replicas {
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allErrs = append(allErrs, field.Invalid(fieldPath.Child("readyReplicas"), status.ReadyReplicas, msg))
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}
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if status.CurrentReplicas > status.Replicas {
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allErrs = append(allErrs, field.Invalid(fieldPath.Child("currentReplicas"), status.CurrentReplicas, msg))
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}
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if status.UpdatedReplicas > status.Replicas {
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allErrs = append(allErrs, field.Invalid(fieldPath.Child("updatedReplicas"), status.UpdatedReplicas, msg))
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}
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if utilfeature.DefaultFeatureGate.Enabled(features.StatefulSetMinReadySeconds) {
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if status.AvailableReplicas > status.Replicas {
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allErrs = append(allErrs, field.Invalid(fieldPath.Child("availableReplicas"), status.AvailableReplicas, msg))
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}
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if status.AvailableReplicas > status.ReadyReplicas {
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allErrs = append(allErrs, field.Invalid(fieldPath.Child("availableReplicas"), status.AvailableReplicas, "cannot be greater than readyReplicas"))
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}
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}
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return allErrs
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}
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// ValidateStatefulSetStatusUpdate tests if required fields in the StatefulSet are set.
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func ValidateStatefulSetStatusUpdate(statefulSet, oldStatefulSet *apps.StatefulSet) field.ErrorList {
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allErrs := field.ErrorList{}
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allErrs = append(allErrs, ValidateStatefulSetStatus(&statefulSet.Status, field.NewPath("status"))...)
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allErrs = append(allErrs, apivalidation.ValidateObjectMetaUpdate(&statefulSet.ObjectMeta, &oldStatefulSet.ObjectMeta, field.NewPath("metadata"))...)
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// TODO: Validate status.
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if apivalidation.IsDecremented(statefulSet.Status.CollisionCount, oldStatefulSet.Status.CollisionCount) {
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value := int32(0)
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if statefulSet.Status.CollisionCount != nil {
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value = *statefulSet.Status.CollisionCount
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}
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allErrs = append(allErrs, field.Invalid(field.NewPath("status").Child("collisionCount"), value, "cannot be decremented"))
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}
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return allErrs
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}
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// ValidateControllerRevisionName can be used to check whether the given ControllerRevision name is valid.
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// Prefix indicates this name will be used as part of generation, in which case
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// trailing dashes are allowed.
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var ValidateControllerRevisionName = apimachineryvalidation.NameIsDNSSubdomain
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// ValidateControllerRevision collects errors for the fields of state and returns those errors as an ErrorList. If the
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// returned list is empty, state is valid. Validation is performed to ensure that state is a valid ObjectMeta, its name
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// is valid, and that it doesn't exceed the MaxControllerRevisionSize.
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func ValidateControllerRevision(revision *apps.ControllerRevision) field.ErrorList {
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errs := field.ErrorList{}
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errs = append(errs, apivalidation.ValidateObjectMeta(&revision.ObjectMeta, true, ValidateControllerRevisionName, field.NewPath("metadata"))...)
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if revision.Data == nil {
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errs = append(errs, field.Required(field.NewPath("data"), "data is mandatory"))
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}
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errs = append(errs, apivalidation.ValidateNonnegativeField(revision.Revision, field.NewPath("revision"))...)
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return errs
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}
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// ValidateControllerRevisionUpdate collects errors pertaining to the mutation of an ControllerRevision Object. If the
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// returned ErrorList is empty the update operation is valid. Any mutation to the ControllerRevision's Data or Revision
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// is considered to be invalid.
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func ValidateControllerRevisionUpdate(newHistory, oldHistory *apps.ControllerRevision) field.ErrorList {
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errs := field.ErrorList{}
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errs = append(errs, apivalidation.ValidateObjectMetaUpdate(&newHistory.ObjectMeta, &oldHistory.ObjectMeta, field.NewPath("metadata"))...)
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errs = append(errs, ValidateControllerRevision(newHistory)...)
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errs = append(errs, apivalidation.ValidateImmutableField(newHistory.Data, oldHistory.Data, field.NewPath("data"))...)
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return errs
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}
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// ValidateDaemonSet tests if required fields in the DaemonSet are set.
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func ValidateDaemonSet(ds *apps.DaemonSet, opts apivalidation.PodValidationOptions) field.ErrorList {
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allErrs := apivalidation.ValidateObjectMeta(&ds.ObjectMeta, true, ValidateDaemonSetName, field.NewPath("metadata"))
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allErrs = append(allErrs, ValidateDaemonSetSpec(&ds.Spec, field.NewPath("spec"), opts)...)
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return allErrs
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}
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// ValidateDaemonSetUpdate tests if required fields in the DaemonSet are set.
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func ValidateDaemonSetUpdate(ds, oldDS *apps.DaemonSet, opts apivalidation.PodValidationOptions) field.ErrorList {
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allErrs := apivalidation.ValidateObjectMetaUpdate(&ds.ObjectMeta, &oldDS.ObjectMeta, field.NewPath("metadata"))
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allErrs = append(allErrs, ValidateDaemonSetSpecUpdate(&ds.Spec, &oldDS.Spec, field.NewPath("spec"))...)
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allErrs = append(allErrs, ValidateDaemonSetSpec(&ds.Spec, field.NewPath("spec"), opts)...)
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return allErrs
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}
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// ValidateDaemonSetSpecUpdate tests if an update to a DaemonSetSpec is valid.
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func ValidateDaemonSetSpecUpdate(newSpec, oldSpec *apps.DaemonSetSpec, fldPath *field.Path) field.ErrorList {
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allErrs := field.ErrorList{}
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// TemplateGeneration shouldn't be decremented
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if newSpec.TemplateGeneration < oldSpec.TemplateGeneration {
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allErrs = append(allErrs, field.Invalid(fldPath.Child("templateGeneration"), newSpec.TemplateGeneration, "must not be decremented"))
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}
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// TemplateGeneration should be increased when and only when template is changed
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templateUpdated := !apiequality.Semantic.DeepEqual(newSpec.Template, oldSpec.Template)
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if newSpec.TemplateGeneration == oldSpec.TemplateGeneration && templateUpdated {
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allErrs = append(allErrs, field.Invalid(fldPath.Child("templateGeneration"), newSpec.TemplateGeneration, "must be incremented upon template update"))
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} else if newSpec.TemplateGeneration > oldSpec.TemplateGeneration && !templateUpdated {
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allErrs = append(allErrs, field.Invalid(fldPath.Child("templateGeneration"), newSpec.TemplateGeneration, "must not be incremented without template update"))
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}
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return allErrs
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}
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// validateDaemonSetStatus validates a DaemonSetStatus
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func validateDaemonSetStatus(status *apps.DaemonSetStatus, fldPath *field.Path) field.ErrorList {
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allErrs := field.ErrorList{}
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allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.CurrentNumberScheduled), fldPath.Child("currentNumberScheduled"))...)
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allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.NumberMisscheduled), fldPath.Child("numberMisscheduled"))...)
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allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.DesiredNumberScheduled), fldPath.Child("desiredNumberScheduled"))...)
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allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.NumberReady), fldPath.Child("numberReady"))...)
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allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(status.ObservedGeneration, fldPath.Child("observedGeneration"))...)
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allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.UpdatedNumberScheduled), fldPath.Child("updatedNumberScheduled"))...)
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allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.NumberAvailable), fldPath.Child("numberAvailable"))...)
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allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.NumberUnavailable), fldPath.Child("numberUnavailable"))...)
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if status.CollisionCount != nil {
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allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(*status.CollisionCount), fldPath.Child("collisionCount"))...)
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}
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return allErrs
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}
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// ValidateDaemonSetStatusUpdate tests if required fields in the DaemonSet Status section
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func ValidateDaemonSetStatusUpdate(ds, oldDS *apps.DaemonSet) field.ErrorList {
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allErrs := apivalidation.ValidateObjectMetaUpdate(&ds.ObjectMeta, &oldDS.ObjectMeta, field.NewPath("metadata"))
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allErrs = append(allErrs, validateDaemonSetStatus(&ds.Status, field.NewPath("status"))...)
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if apivalidation.IsDecremented(ds.Status.CollisionCount, oldDS.Status.CollisionCount) {
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value := int32(0)
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if ds.Status.CollisionCount != nil {
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value = *ds.Status.CollisionCount
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}
|
|
allErrs = append(allErrs, field.Invalid(field.NewPath("status").Child("collisionCount"), value, "cannot be decremented"))
|
|
}
|
|
return allErrs
|
|
}
|
|
|
|
// ValidateDaemonSetSpec tests if required fields in the DaemonSetSpec are set.
|
|
func ValidateDaemonSetSpec(spec *apps.DaemonSetSpec, fldPath *field.Path, opts apivalidation.PodValidationOptions) field.ErrorList {
|
|
allErrs := field.ErrorList{}
|
|
|
|
allErrs = append(allErrs, unversionedvalidation.ValidateLabelSelector(spec.Selector, fldPath.Child("selector"))...)
|
|
|
|
selector, err := metav1.LabelSelectorAsSelector(spec.Selector)
|
|
if err == nil && !selector.Matches(labels.Set(spec.Template.Labels)) {
|
|
allErrs = append(allErrs, field.Invalid(fldPath.Child("template", "metadata", "labels"), spec.Template.Labels, "`selector` does not match template `labels`"))
|
|
}
|
|
if spec.Selector != nil && len(spec.Selector.MatchLabels)+len(spec.Selector.MatchExpressions) == 0 {
|
|
allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, "empty selector is invalid for daemonset"))
|
|
}
|
|
|
|
allErrs = append(allErrs, apivalidation.ValidatePodTemplateSpec(&spec.Template, fldPath.Child("template"), opts)...)
|
|
// Daemons typically run on more than one node, so mark Read-Write persistent disks as invalid.
|
|
allErrs = append(allErrs, apivalidation.ValidateReadOnlyPersistentDisks(spec.Template.Spec.Volumes, fldPath.Child("template", "spec", "volumes"))...)
|
|
// RestartPolicy has already been first-order validated as per ValidatePodTemplateSpec().
|
|
if spec.Template.Spec.RestartPolicy != api.RestartPolicyAlways {
|
|
allErrs = append(allErrs, field.NotSupported(fldPath.Child("template", "spec", "restartPolicy"), spec.Template.Spec.RestartPolicy, []string{string(api.RestartPolicyAlways)}))
|
|
}
|
|
if spec.Template.Spec.ActiveDeadlineSeconds != nil {
|
|
allErrs = append(allErrs, field.Forbidden(fldPath.Child("template", "spec", "activeDeadlineSeconds"), "activeDeadlineSeconds in DaemonSet is not Supported"))
|
|
}
|
|
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.MinReadySeconds), fldPath.Child("minReadySeconds"))...)
|
|
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.TemplateGeneration), fldPath.Child("templateGeneration"))...)
|
|
|
|
allErrs = append(allErrs, ValidateDaemonSetUpdateStrategy(&spec.UpdateStrategy, fldPath.Child("updateStrategy"))...)
|
|
if spec.RevisionHistoryLimit != nil {
|
|
// zero is a valid RevisionHistoryLimit
|
|
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(*spec.RevisionHistoryLimit), fldPath.Child("revisionHistoryLimit"))...)
|
|
}
|
|
return allErrs
|
|
}
|
|
|
|
// ValidateRollingUpdateDaemonSet validates a given RollingUpdateDaemonSet.
|
|
func ValidateRollingUpdateDaemonSet(rollingUpdate *apps.RollingUpdateDaemonSet, fldPath *field.Path) field.ErrorList {
|
|
var allErrs field.ErrorList
|
|
if utilfeature.DefaultFeatureGate.Enabled(features.DaemonSetUpdateSurge) {
|
|
// Validate both fields are positive ints or have a percentage value
|
|
allErrs = append(allErrs, ValidatePositiveIntOrPercent(rollingUpdate.MaxUnavailable, fldPath.Child("maxUnavailable"))...)
|
|
allErrs = append(allErrs, ValidatePositiveIntOrPercent(rollingUpdate.MaxSurge, fldPath.Child("maxSurge"))...)
|
|
|
|
// Validate that MaxUnavailable and MaxSurge are not more than 100%.
|
|
allErrs = append(allErrs, IsNotMoreThan100Percent(rollingUpdate.MaxUnavailable, fldPath.Child("maxUnavailable"))...)
|
|
allErrs = append(allErrs, IsNotMoreThan100Percent(rollingUpdate.MaxSurge, fldPath.Child("maxSurge"))...)
|
|
|
|
// Validate exactly one of MaxSurge or MaxUnavailable is non-zero
|
|
hasUnavailable := getIntOrPercentValue(rollingUpdate.MaxUnavailable) != 0
|
|
hasSurge := getIntOrPercentValue(rollingUpdate.MaxSurge) != 0
|
|
switch {
|
|
case hasUnavailable && hasSurge:
|
|
allErrs = append(allErrs, field.Invalid(fldPath.Child("maxSurge"), rollingUpdate.MaxSurge, "may not be set when maxUnavailable is non-zero"))
|
|
case !hasUnavailable && !hasSurge:
|
|
allErrs = append(allErrs, field.Required(fldPath.Child("maxUnavailable"), "cannot be 0 when maxSurge is 0"))
|
|
}
|
|
|
|
} else {
|
|
allErrs = append(allErrs, ValidatePositiveIntOrPercent(rollingUpdate.MaxUnavailable, fldPath.Child("maxUnavailable"))...)
|
|
if getIntOrPercentValue(rollingUpdate.MaxUnavailable) == 0 {
|
|
// MaxUnavailable cannot be 0.
|
|
allErrs = append(allErrs, field.Invalid(fldPath.Child("maxUnavailable"), rollingUpdate.MaxUnavailable, "cannot be 0"))
|
|
}
|
|
// Validate that MaxUnavailable is not more than 100%.
|
|
allErrs = append(allErrs, IsNotMoreThan100Percent(rollingUpdate.MaxUnavailable, fldPath.Child("maxUnavailable"))...)
|
|
}
|
|
return allErrs
|
|
}
|
|
|
|
// validateRollingUpdateStatefulSet validates a given RollingUpdateStatefulSet.
|
|
func validateRollingUpdateStatefulSet(rollingUpdate *apps.RollingUpdateStatefulSetStrategy, fldPath *field.Path) field.ErrorList {
|
|
var allErrs field.ErrorList
|
|
fldPathMaxUn := fldPath.Child("maxUnavailable")
|
|
allErrs = append(allErrs,
|
|
apivalidation.ValidateNonnegativeField(
|
|
int64(rollingUpdate.Partition),
|
|
fldPath.Child("partition"))...)
|
|
if rollingUpdate.MaxUnavailable != nil {
|
|
allErrs = append(allErrs, ValidatePositiveIntOrPercent(*rollingUpdate.MaxUnavailable, fldPathMaxUn)...)
|
|
if getIntOrPercentValue(*rollingUpdate.MaxUnavailable) == 0 {
|
|
// MaxUnavailable cannot be 0.
|
|
allErrs = append(allErrs, field.Invalid(fldPathMaxUn, *rollingUpdate.MaxUnavailable, "cannot be 0"))
|
|
}
|
|
// Validate that MaxUnavailable is not more than 100%.
|
|
allErrs = append(allErrs, IsNotMoreThan100Percent(*rollingUpdate.MaxUnavailable, fldPathMaxUn)...)
|
|
}
|
|
return allErrs
|
|
}
|
|
|
|
// ValidateDaemonSetUpdateStrategy validates a given DaemonSetUpdateStrategy.
|
|
func ValidateDaemonSetUpdateStrategy(strategy *apps.DaemonSetUpdateStrategy, fldPath *field.Path) field.ErrorList {
|
|
allErrs := field.ErrorList{}
|
|
switch strategy.Type {
|
|
case apps.OnDeleteDaemonSetStrategyType:
|
|
case apps.RollingUpdateDaemonSetStrategyType:
|
|
// Make sure RollingUpdate field isn't nil.
|
|
if strategy.RollingUpdate == nil {
|
|
allErrs = append(allErrs, field.Required(fldPath.Child("rollingUpdate"), ""))
|
|
return allErrs
|
|
}
|
|
allErrs = append(allErrs, ValidateRollingUpdateDaemonSet(strategy.RollingUpdate, fldPath.Child("rollingUpdate"))...)
|
|
default:
|
|
validValues := []string{string(apps.RollingUpdateDaemonSetStrategyType), string(apps.OnDeleteDaemonSetStrategyType)}
|
|
allErrs = append(allErrs, field.NotSupported(fldPath, strategy, validValues))
|
|
}
|
|
return allErrs
|
|
}
|
|
|
|
// ValidateDaemonSetName can be used to check whether the given daemon set name is valid.
|
|
// Prefix indicates this name will be used as part of generation, in which case
|
|
// trailing dashes are allowed.
|
|
var ValidateDaemonSetName = apimachineryvalidation.NameIsDNSSubdomain
|
|
|
|
// ValidateDeploymentName validates that the given name can be used as a deployment name.
|
|
var ValidateDeploymentName = apimachineryvalidation.NameIsDNSSubdomain
|
|
|
|
// ValidatePositiveIntOrPercent tests if a given value is a valid int or
|
|
// percentage.
|
|
func ValidatePositiveIntOrPercent(intOrPercent intstr.IntOrString, fldPath *field.Path) field.ErrorList {
|
|
allErrs := field.ErrorList{}
|
|
switch intOrPercent.Type {
|
|
case intstr.String:
|
|
for _, msg := range validation.IsValidPercent(intOrPercent.StrVal) {
|
|
allErrs = append(allErrs, field.Invalid(fldPath, intOrPercent, msg))
|
|
}
|
|
case intstr.Int:
|
|
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(intOrPercent.IntValue()), fldPath)...)
|
|
default:
|
|
allErrs = append(allErrs, field.Invalid(fldPath, intOrPercent, "must be an integer or percentage (e.g '5%%')"))
|
|
}
|
|
return allErrs
|
|
}
|
|
|
|
func getPercentValue(intOrStringValue intstr.IntOrString) (int, bool) {
|
|
if intOrStringValue.Type != intstr.String {
|
|
return 0, false
|
|
}
|
|
if len(validation.IsValidPercent(intOrStringValue.StrVal)) != 0 {
|
|
return 0, false
|
|
}
|
|
value, _ := strconv.Atoi(intOrStringValue.StrVal[:len(intOrStringValue.StrVal)-1])
|
|
return value, true
|
|
}
|
|
|
|
func getIntOrPercentValue(intOrStringValue intstr.IntOrString) int {
|
|
value, isPercent := getPercentValue(intOrStringValue)
|
|
if isPercent {
|
|
return value
|
|
}
|
|
return intOrStringValue.IntValue()
|
|
}
|
|
|
|
// IsNotMoreThan100Percent tests is a value can be represented as a percentage
|
|
// and if this value is not more than 100%.
|
|
func IsNotMoreThan100Percent(intOrStringValue intstr.IntOrString, fldPath *field.Path) field.ErrorList {
|
|
allErrs := field.ErrorList{}
|
|
value, isPercent := getPercentValue(intOrStringValue)
|
|
if !isPercent || value <= 100 {
|
|
return nil
|
|
}
|
|
allErrs = append(allErrs, field.Invalid(fldPath, intOrStringValue, "must not be greater than 100%"))
|
|
return allErrs
|
|
}
|
|
|
|
// ValidateRollingUpdateDeployment validates a given RollingUpdateDeployment.
|
|
func ValidateRollingUpdateDeployment(rollingUpdate *apps.RollingUpdateDeployment, fldPath *field.Path) field.ErrorList {
|
|
allErrs := field.ErrorList{}
|
|
allErrs = append(allErrs, ValidatePositiveIntOrPercent(rollingUpdate.MaxUnavailable, fldPath.Child("maxUnavailable"))...)
|
|
allErrs = append(allErrs, ValidatePositiveIntOrPercent(rollingUpdate.MaxSurge, fldPath.Child("maxSurge"))...)
|
|
if getIntOrPercentValue(rollingUpdate.MaxUnavailable) == 0 && getIntOrPercentValue(rollingUpdate.MaxSurge) == 0 {
|
|
// Both MaxSurge and MaxUnavailable cannot be zero.
|
|
allErrs = append(allErrs, field.Invalid(fldPath.Child("maxUnavailable"), rollingUpdate.MaxUnavailable, "may not be 0 when `maxSurge` is 0"))
|
|
}
|
|
// Validate that MaxUnavailable is not more than 100%.
|
|
allErrs = append(allErrs, IsNotMoreThan100Percent(rollingUpdate.MaxUnavailable, fldPath.Child("maxUnavailable"))...)
|
|
return allErrs
|
|
}
|
|
|
|
// ValidateDeploymentStrategy validates given DeploymentStrategy.
|
|
func ValidateDeploymentStrategy(strategy *apps.DeploymentStrategy, fldPath *field.Path) field.ErrorList {
|
|
allErrs := field.ErrorList{}
|
|
switch strategy.Type {
|
|
case apps.RecreateDeploymentStrategyType:
|
|
if strategy.RollingUpdate != nil {
|
|
allErrs = append(allErrs, field.Forbidden(fldPath.Child("rollingUpdate"), "may not be specified when strategy `type` is '"+string(apps.RecreateDeploymentStrategyType+"'")))
|
|
}
|
|
case apps.RollingUpdateDeploymentStrategyType:
|
|
// This should never happen since it's set and checked in defaults.go
|
|
if strategy.RollingUpdate == nil {
|
|
allErrs = append(allErrs, field.Required(fldPath.Child("rollingUpdate"), "this should be defaulted and never be nil"))
|
|
} else {
|
|
allErrs = append(allErrs, ValidateRollingUpdateDeployment(strategy.RollingUpdate, fldPath.Child("rollingUpdate"))...)
|
|
}
|
|
default:
|
|
validValues := []string{string(apps.RecreateDeploymentStrategyType), string(apps.RollingUpdateDeploymentStrategyType)}
|
|
allErrs = append(allErrs, field.NotSupported(fldPath, strategy, validValues))
|
|
}
|
|
return allErrs
|
|
}
|
|
|
|
// ValidateRollback validates given RollbackConfig.
|
|
func ValidateRollback(rollback *apps.RollbackConfig, fldPath *field.Path) field.ErrorList {
|
|
allErrs := field.ErrorList{}
|
|
v := rollback.Revision
|
|
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(v), fldPath.Child("version"))...)
|
|
return allErrs
|
|
}
|
|
|
|
// ValidateDeploymentSpec validates given deployment spec.
|
|
func ValidateDeploymentSpec(spec *apps.DeploymentSpec, fldPath *field.Path, opts apivalidation.PodValidationOptions) field.ErrorList {
|
|
allErrs := field.ErrorList{}
|
|
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.Replicas), fldPath.Child("replicas"))...)
|
|
|
|
if spec.Selector == nil {
|
|
allErrs = append(allErrs, field.Required(fldPath.Child("selector"), ""))
|
|
} else {
|
|
allErrs = append(allErrs, unversionedvalidation.ValidateLabelSelector(spec.Selector, fldPath.Child("selector"))...)
|
|
if len(spec.Selector.MatchLabels)+len(spec.Selector.MatchExpressions) == 0 {
|
|
allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, "empty selector is invalid for deployment"))
|
|
}
|
|
}
|
|
|
|
selector, err := metav1.LabelSelectorAsSelector(spec.Selector)
|
|
if err != nil {
|
|
allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, "invalid label selector"))
|
|
} else {
|
|
allErrs = append(allErrs, ValidatePodTemplateSpecForReplicaSet(&spec.Template, selector, spec.Replicas, fldPath.Child("template"), opts)...)
|
|
}
|
|
|
|
allErrs = append(allErrs, ValidateDeploymentStrategy(&spec.Strategy, fldPath.Child("strategy"))...)
|
|
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.MinReadySeconds), fldPath.Child("minReadySeconds"))...)
|
|
if spec.RevisionHistoryLimit != nil {
|
|
// zero is a valid RevisionHistoryLimit
|
|
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(*spec.RevisionHistoryLimit), fldPath.Child("revisionHistoryLimit"))...)
|
|
}
|
|
if spec.RollbackTo != nil {
|
|
allErrs = append(allErrs, ValidateRollback(spec.RollbackTo, fldPath.Child("rollback"))...)
|
|
}
|
|
if spec.ProgressDeadlineSeconds != nil {
|
|
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(*spec.ProgressDeadlineSeconds), fldPath.Child("progressDeadlineSeconds"))...)
|
|
if *spec.ProgressDeadlineSeconds <= spec.MinReadySeconds {
|
|
allErrs = append(allErrs, field.Invalid(fldPath.Child("progressDeadlineSeconds"), spec.ProgressDeadlineSeconds, "must be greater than minReadySeconds"))
|
|
}
|
|
}
|
|
return allErrs
|
|
}
|
|
|
|
// ValidateDeploymentStatus validates given deployment status.
|
|
func ValidateDeploymentStatus(status *apps.DeploymentStatus, fldPath *field.Path) field.ErrorList {
|
|
allErrs := field.ErrorList{}
|
|
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(status.ObservedGeneration, fldPath.Child("observedGeneration"))...)
|
|
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.Replicas), fldPath.Child("replicas"))...)
|
|
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.UpdatedReplicas), fldPath.Child("updatedReplicas"))...)
|
|
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.ReadyReplicas), fldPath.Child("readyReplicas"))...)
|
|
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.AvailableReplicas), fldPath.Child("availableReplicas"))...)
|
|
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.UnavailableReplicas), fldPath.Child("unavailableReplicas"))...)
|
|
if status.CollisionCount != nil {
|
|
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(*status.CollisionCount), fldPath.Child("collisionCount"))...)
|
|
}
|
|
msg := "cannot be greater than status.replicas"
|
|
if status.UpdatedReplicas > status.Replicas {
|
|
allErrs = append(allErrs, field.Invalid(fldPath.Child("updatedReplicas"), status.UpdatedReplicas, msg))
|
|
}
|
|
if status.ReadyReplicas > status.Replicas {
|
|
allErrs = append(allErrs, field.Invalid(fldPath.Child("readyReplicas"), status.ReadyReplicas, msg))
|
|
}
|
|
if status.AvailableReplicas > status.Replicas {
|
|
allErrs = append(allErrs, field.Invalid(fldPath.Child("availableReplicas"), status.AvailableReplicas, msg))
|
|
}
|
|
if status.AvailableReplicas > status.ReadyReplicas {
|
|
allErrs = append(allErrs, field.Invalid(fldPath.Child("availableReplicas"), status.AvailableReplicas, "cannot be greater than readyReplicas"))
|
|
}
|
|
return allErrs
|
|
}
|
|
|
|
// ValidateDeploymentUpdate tests if an update to a Deployment is valid.
|
|
func ValidateDeploymentUpdate(update, old *apps.Deployment, opts apivalidation.PodValidationOptions) field.ErrorList {
|
|
allErrs := apivalidation.ValidateObjectMetaUpdate(&update.ObjectMeta, &old.ObjectMeta, field.NewPath("metadata"))
|
|
allErrs = append(allErrs, ValidateDeploymentSpec(&update.Spec, field.NewPath("spec"), opts)...)
|
|
return allErrs
|
|
}
|
|
|
|
// ValidateDeploymentStatusUpdate tests if a an update to a Deployment status
|
|
// is valid.
|
|
func ValidateDeploymentStatusUpdate(update, old *apps.Deployment) field.ErrorList {
|
|
allErrs := apivalidation.ValidateObjectMetaUpdate(&update.ObjectMeta, &old.ObjectMeta, field.NewPath("metadata"))
|
|
fldPath := field.NewPath("status")
|
|
allErrs = append(allErrs, ValidateDeploymentStatus(&update.Status, fldPath)...)
|
|
if apivalidation.IsDecremented(update.Status.CollisionCount, old.Status.CollisionCount) {
|
|
value := int32(0)
|
|
if update.Status.CollisionCount != nil {
|
|
value = *update.Status.CollisionCount
|
|
}
|
|
allErrs = append(allErrs, field.Invalid(fldPath.Child("collisionCount"), value, "cannot be decremented"))
|
|
}
|
|
return allErrs
|
|
}
|
|
|
|
// ValidateDeployment validates a given Deployment.
|
|
func ValidateDeployment(obj *apps.Deployment, opts apivalidation.PodValidationOptions) field.ErrorList {
|
|
allErrs := apivalidation.ValidateObjectMeta(&obj.ObjectMeta, true, ValidateDeploymentName, field.NewPath("metadata"))
|
|
allErrs = append(allErrs, ValidateDeploymentSpec(&obj.Spec, field.NewPath("spec"), opts)...)
|
|
return allErrs
|
|
}
|
|
|
|
// ValidateDeploymentRollback validates a given DeploymentRollback.
|
|
func ValidateDeploymentRollback(obj *apps.DeploymentRollback) field.ErrorList {
|
|
allErrs := apivalidation.ValidateAnnotations(obj.UpdatedAnnotations, field.NewPath("updatedAnnotations"))
|
|
if len(obj.Name) == 0 {
|
|
allErrs = append(allErrs, field.Required(field.NewPath("name"), "name is required"))
|
|
}
|
|
allErrs = append(allErrs, ValidateRollback(&obj.RollbackTo, field.NewPath("rollback"))...)
|
|
return allErrs
|
|
}
|
|
|
|
// ValidateReplicaSetName can be used to check whether the given ReplicaSet
|
|
// name is valid.
|
|
// Prefix indicates this name will be used as part of generation, in which case
|
|
// trailing dashes are allowed.
|
|
var ValidateReplicaSetName = apimachineryvalidation.NameIsDNSSubdomain
|
|
|
|
// ValidateReplicaSet tests if required fields in the ReplicaSet are set.
|
|
func ValidateReplicaSet(rs *apps.ReplicaSet, opts apivalidation.PodValidationOptions) field.ErrorList {
|
|
allErrs := apivalidation.ValidateObjectMeta(&rs.ObjectMeta, true, ValidateReplicaSetName, field.NewPath("metadata"))
|
|
allErrs = append(allErrs, ValidateReplicaSetSpec(&rs.Spec, field.NewPath("spec"), opts)...)
|
|
return allErrs
|
|
}
|
|
|
|
// ValidateReplicaSetUpdate tests if required fields in the ReplicaSet are set.
|
|
func ValidateReplicaSetUpdate(rs, oldRs *apps.ReplicaSet, opts apivalidation.PodValidationOptions) field.ErrorList {
|
|
allErrs := field.ErrorList{}
|
|
allErrs = append(allErrs, apivalidation.ValidateObjectMetaUpdate(&rs.ObjectMeta, &oldRs.ObjectMeta, field.NewPath("metadata"))...)
|
|
allErrs = append(allErrs, ValidateReplicaSetSpec(&rs.Spec, field.NewPath("spec"), opts)...)
|
|
return allErrs
|
|
}
|
|
|
|
// ValidateReplicaSetStatusUpdate tests if required fields in the ReplicaSet are set.
|
|
func ValidateReplicaSetStatusUpdate(rs, oldRs *apps.ReplicaSet) field.ErrorList {
|
|
allErrs := field.ErrorList{}
|
|
allErrs = append(allErrs, apivalidation.ValidateObjectMetaUpdate(&rs.ObjectMeta, &oldRs.ObjectMeta, field.NewPath("metadata"))...)
|
|
allErrs = append(allErrs, ValidateReplicaSetStatus(rs.Status, field.NewPath("status"))...)
|
|
return allErrs
|
|
}
|
|
|
|
// ValidateReplicaSetStatus validates a given ReplicaSetStatus.
|
|
func ValidateReplicaSetStatus(status apps.ReplicaSetStatus, fldPath *field.Path) field.ErrorList {
|
|
allErrs := field.ErrorList{}
|
|
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.Replicas), fldPath.Child("replicas"))...)
|
|
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.FullyLabeledReplicas), fldPath.Child("fullyLabeledReplicas"))...)
|
|
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.ReadyReplicas), fldPath.Child("readyReplicas"))...)
|
|
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.AvailableReplicas), fldPath.Child("availableReplicas"))...)
|
|
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.ObservedGeneration), fldPath.Child("observedGeneration"))...)
|
|
msg := "cannot be greater than status.replicas"
|
|
if status.FullyLabeledReplicas > status.Replicas {
|
|
allErrs = append(allErrs, field.Invalid(fldPath.Child("fullyLabeledReplicas"), status.FullyLabeledReplicas, msg))
|
|
}
|
|
if status.ReadyReplicas > status.Replicas {
|
|
allErrs = append(allErrs, field.Invalid(fldPath.Child("readyReplicas"), status.ReadyReplicas, msg))
|
|
}
|
|
if status.AvailableReplicas > status.Replicas {
|
|
allErrs = append(allErrs, field.Invalid(fldPath.Child("availableReplicas"), status.AvailableReplicas, msg))
|
|
}
|
|
if status.AvailableReplicas > status.ReadyReplicas {
|
|
allErrs = append(allErrs, field.Invalid(fldPath.Child("availableReplicas"), status.AvailableReplicas, "cannot be greater than readyReplicas"))
|
|
}
|
|
return allErrs
|
|
}
|
|
|
|
// ValidateReplicaSetSpec tests if required fields in the ReplicaSet spec are set.
|
|
func ValidateReplicaSetSpec(spec *apps.ReplicaSetSpec, fldPath *field.Path, opts apivalidation.PodValidationOptions) field.ErrorList {
|
|
allErrs := field.ErrorList{}
|
|
|
|
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.Replicas), fldPath.Child("replicas"))...)
|
|
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.MinReadySeconds), fldPath.Child("minReadySeconds"))...)
|
|
|
|
if spec.Selector == nil {
|
|
allErrs = append(allErrs, field.Required(fldPath.Child("selector"), ""))
|
|
} else {
|
|
allErrs = append(allErrs, unversionedvalidation.ValidateLabelSelector(spec.Selector, fldPath.Child("selector"))...)
|
|
if len(spec.Selector.MatchLabels)+len(spec.Selector.MatchExpressions) == 0 {
|
|
allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, "empty selector is invalid for deployment"))
|
|
}
|
|
}
|
|
|
|
selector, err := metav1.LabelSelectorAsSelector(spec.Selector)
|
|
if err != nil {
|
|
allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, "invalid label selector"))
|
|
} else {
|
|
allErrs = append(allErrs, ValidatePodTemplateSpecForReplicaSet(&spec.Template, selector, spec.Replicas, fldPath.Child("template"), opts)...)
|
|
}
|
|
return allErrs
|
|
}
|
|
|
|
// ValidatePodTemplateSpecForReplicaSet validates the given template and ensures that it is in accordance with the desired selector and replicas.
|
|
func ValidatePodTemplateSpecForReplicaSet(template *api.PodTemplateSpec, selector labels.Selector, replicas int32, fldPath *field.Path, opts apivalidation.PodValidationOptions) field.ErrorList {
|
|
allErrs := field.ErrorList{}
|
|
if template == nil {
|
|
allErrs = append(allErrs, field.Required(fldPath, ""))
|
|
} else {
|
|
if !selector.Empty() {
|
|
// Verify that the ReplicaSet selector matches the labels in template.
|
|
labels := labels.Set(template.Labels)
|
|
if !selector.Matches(labels) {
|
|
allErrs = append(allErrs, field.Invalid(fldPath.Child("metadata", "labels"), template.Labels, "`selector` does not match template `labels`"))
|
|
}
|
|
}
|
|
allErrs = append(allErrs, apivalidation.ValidatePodTemplateSpec(template, fldPath, opts)...)
|
|
if replicas > 1 {
|
|
allErrs = append(allErrs, apivalidation.ValidateReadOnlyPersistentDisks(template.Spec.Volumes, fldPath.Child("spec", "volumes"))...)
|
|
}
|
|
// RestartPolicy has already been first-order validated as per ValidatePodTemplateSpec().
|
|
if template.Spec.RestartPolicy != api.RestartPolicyAlways {
|
|
allErrs = append(allErrs, field.NotSupported(fldPath.Child("spec", "restartPolicy"), template.Spec.RestartPolicy, []string{string(api.RestartPolicyAlways)}))
|
|
}
|
|
if template.Spec.ActiveDeadlineSeconds != nil {
|
|
allErrs = append(allErrs, field.Forbidden(fldPath.Child("spec", "activeDeadlineSeconds"), "activeDeadlineSeconds in ReplicaSet is not Supported"))
|
|
}
|
|
}
|
|
return allErrs
|
|
}
|